Sodium Hydroxide Flakes

Category : Bases

$16.54
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Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Hydroxide Flakes ACS Grade
From $17.95
CAS: 1310-73-2 NaOH
CAS: 1310-73-2 NaOH
$16.54
Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Hydroxide Flakes ACS Grade
From $17.95
CAS: 1310-73-2 NaOH
CAS: 1310-73-2 NaOH

Sodium Hydroxide Flakes

$16.54

Commercial Fulfillment Snapshot

Buy Sodium Hydroxide Flakes with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.

Technical Documents

Lot-specific COA is issued per shipment batch.

Who Buys This
  • Water treatment facilities
  • Chemical manufacturing companies
  • Soap & detergent producers
  • Food processing plants
  • Research laboratories
Purity / Grade Guide
  • Industrial & lab applications
  • COA-verified product quality verified by COA
  • Suitable for commercial processes
  • High-purity alkali base
Pack Sizes
  • 2 lb: bench & testing
  • 5 lb: shop & formulating
  • 55 lb: bulk, best $/lb
SDS / COA / TDS
  • UN 1823 Class 8 packaging
  • Safety Data Sheet included
  • Certificate of Analysis provided
  • DOT hazmat shipping compliance
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Why Sodium Hydroxide Flakes

Sodium Hydroxide Flakes in technical grade provide industrial and wastewater operators with a 100 percent active, solid caustic soda that allows for exact custom dilution on site. Unlike pre-mixed aqueous solutions, these solid white crystalline flakes eliminate the transportation weight of water, offering a concentrated baseline material for large-scale operations. When added to water, the flakes exhibit highly soluble characteristics and generate a strong exothermic reaction, enabling facility managers to create the precise molarity required for specific chemical processes. With moderate alcohol solubility, this dry form factor delivers direct control over the final concentration, making it an efficient choice for heavy-duty pH adjustment, industrial soap manufacturing, and metal processing facilities equipped to manage exothermic mixing processes.

Best Applications for This Grade

  • Industrial wastewater treatment: Alkalinity control and heavy-duty pH neutralization, where operators dissolve the solid chemical to quickly raise the pH of highly acidic effluent streams to meet municipal discharge requirements.
  • Chemical formulation: Industrial degreaser and heavy-duty detergent production, where manufacturers utilize the 100 percent concentration to formulate alkaline cleaning compounds that actively saponify stubborn industrial fats, heavy oils, and petroleum greases.
  • Commercial soap production: Functioning as the primary caustic agent commonly applied in cold-process and hot-process soap manufacturing, directly reacting with specific lipid profiles to yield solid, hardened bar soaps.
  • Metal processing: Aluminum etching and metal surface preparation, where facilities leverage the strong alkalinity to strip away native oxide layers, remove surface impurities, and prepare metal substrates prior to anodizing, powder coating, or advanced finishing techniques.

When to Choose a Different Grade

  • If laboratory processes, analytical testing, or sensitive manufacturing tolerances demand certified chemical purity with strictly documented limits on trace impurities and heavy metals, choose Sodium Hydroxide Flakes ACS Grade.
  • If a facility requires a direct-feed, pumpable liquid format to bypass the intense heat generation and labor associated with dissolving solid caustic materials on site, select Sodium Hydroxide 50% Membrane Grade (Caustic Soda, Lye).
  • If precise dosing parameters dictate a lower-concentration liquid caustic to reduce crystallization risks in colder ambient temperatures or to match existing chemical feed pump specifications, choose Sodium Hydroxide 25%.
  • If process engineering requires both the convenience of a pre-mixed liquid caustic and certified analytical purity for exacting laboratory protocols, select Sodium Hydroxide 50% Solution ACS Grade.
Property Value
Molecular Weight 40.00
Formula NaOH
Assay 98-100%
Grade Technical Grade
Form Solid
Solubility Soluble in water
Appearance White, solid flakes
Melting Point 318
Boiling Point 1390
Specific Gravity 2.13
Industry Water Treatment, Industrial, Pharmaceutical, Food Industry, Research Laboratory

Frequently Asked Questions About Sodium Hydroxide Flakes

What is Sodium Hydroxide Flakes and what is its chemical formula?
Sodium Hydroxide Flakes is a chemical compound with the molecular formula NaOH, registered under CAS Number 1310-73-2 by the Chemical Abstracts Service (PubChem), with a molecular weight of 39.997 g/mol. Alliance Chemical supplies Sodium Hydroxide Flakes in Technical grade for laboratory, industrial, and commercial applications.
What are the physical properties of Sodium Hydroxide Flakes?
According to the NIOSH Pocket Guide to Chemical Hazards, Sodium Hydroxide Flakes is supplied as a solid with a white crystalline flakes appearance. It has a melting point of 318°C, a boiling point of 1390°C, a flash point of N/A. The specific gravity is 2.13 relative to water. Solubility: Highly soluble in water, moderate alcohol solubility.
What grade and purity of Sodium Hydroxide Flakes does Alliance Chemical offer?
Alliance Chemical offers Sodium Hydroxide Flakes in Technical grade with a purity assay of 100%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Sodium Hydroxide Flakes?
Sodium Hydroxide Flakes serves a wide range of sectors, including Industrial & Manufacturing, and Water & Environmental.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Sodium Hydroxide Flakes?
OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (20+ mil neoprene or PVC), full face shield over safety goggles (ANSI Z87.1), acid-resistant apron or chemical suit, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Sodium Hydroxide Flakes?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:acids, aluminum, zinc. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Sodium Hydroxide Flakes?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Neutralize with citric acid or acetic acid (5% solution). (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Sodium Hydroxide Flakes?
DOT Classification per 49 CFR 172.101:UN1824, Hazard Class8, Packing GroupII. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Sodium Hydroxide Flakes waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D002 (Corrosive, pH ≤2 or ≥12.5). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Sodium Hydroxide Flakes?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Sodium Hydroxide Flakes. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.